Can you briefly tell the back story of Viagra?

Sure. Viagra was developed for heart problems initially. But a side effect related to erectile function led to its new use.

Viagra's back story starts with Pfizer's research. Scientists were looking for a drug to dilate blood vessels in order to help with heart - related problems. However, during the trials, they saw that it had an unexpected effect on penile blood flow, which could help men with erectile problems. This discovery changed the direction of the drug's development, and it has since become very famous for helping men with sexual health issues.

Well, briefly, Spongebob resides in a pineapple in Bikini Bottom. He's a fry cook at the Krusty Krab. His relationships with Patrick, Squidward, and Mr. Krabs are key elements of his back story.

Sure. Maleficent was a fairy who was wronged by humans, so she became bad.

Sure. The Candyman was Daniel Robitaille, a black artist in the past. He was killed because of his relationship with a white woman and his spirit turned into the Candyman.

Sure. A revenant typically was once a living being. After death, due to some strong emotion like anger or regret, they return. Their back story often has a triggering event that causes this return.

Sure. Skeletor began as Keldor. His ambition and a deal with Hordak led to his transformation. Now he aims to dominate Eternia by seizing Castle Grayskull from He - Man.

The Scorpions formed in Germany long ago. They grew from a local band to an international rock sensation through years of making great music.

The Turtles' back story in short is that they were normal turtles once. But mutagen made them change. Under Splinter's guidance, they're now defenders against bad guys in New York.

Sure. Gucci was founded in 1921 by Guccio Gucci. It began with high - quality leather goods in Florence. Then it grew globally with its iconic designs and logo.